mfm
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dgesswein
MFM emulator code
Have image file. Another machine not following any standard for its disk format. Need more staring at schematics to figure out what its doing.
Using two emulators with one emulating two drives and a third emulating a single drive the images get corrupted on a Convergent Mightyframe.
The front end processor can read multiple disks OK but the Lisp processor gives error Error: %DISK-ERROR-STATE-MACHINE during a %DCW-UNIT on unit 1, cyl 0, surf 2" (or surf 3...